Check all given references are correct and how would to cite within text with all references?

References

Hi, are these right as references, and how would I cite these websites within my paper??

• Developmental milestones: 5-6 years old. (n.d.). Retrieved from

http://www.education.com/about/

• Social and emotional growth. (n.d.). Child Development Tracker. PBS Parents. Retrieved from

http://www.pbs.org/parents/childdevelopmenttracker/five/socialandemotionalgrowth.html

• 5-6 years old: social and emotional development. (2013). International moms. Retrieved from

https://www.youtube.com/watch?v=HdvidPpPNDU

• Principles of Management: 12.3 Different Types of communication
Catalog.flatworldknowledge.com/bookhub/s?=carpenter-ch12_s03

• California Department of Education: Language Development Domain
Cdc.ca.gov/sp/cd/re/itfo9langdev.asp

http://www.icanteachmychild.com/domains-of-early-childhood-development/
adaptivedomain.com

https://www.pinterest.com/MsJRoth/work-activities-for-younger-kids-ages-2-4-years-ol/

• Hubbard, M. (n.d.). Small Groups - Hubbard's Cupboard. Retrieved from

http://www.hubbardscupboard.org/small-groups/

• Morin, A. (2014, February 22). Kindergarten Developmental Milestones | Development Stages - Understood. Retrieved from

https://www.understood.org/en/learning-attention-issues/signs-symptoms/developmental-milestones/developmental-milestones-for-typical-kindergarteners